Improvement in eye-cups



UNITED STATES PATENT CFFICE.

PEILETUs J. sTEPEENs, or NEW YORK, N. Y."

IMPROVEMENT IN EYE-CUPS.

. Specification forming part of Letters Patent No. 158,224, dated December 29, 1874; lapplication filed June Q5, 1874.

To all whom it may concern:

Beit known that I, PErLETUs J. STEPHENS, of N ew York city, county and State of New York, have invented certain Improvements in Eye-Cups, of Which the following' is a specification:

The object of my invention is to provide for the easier and better Working of the so-called eye-cups, or a cup-formed receptacle placed over thev eye, and, by aid of a depressed rubber ball attached thereto, producing a suction which acts beneficially to the eye.

My invention consists in the combination, with an eye-cup provided With an india-rubber ball, ot' an air-relief valve arranged in the neck ofthe cup and operated by a button or spring.

Figure lis a side view ot' an eye-cup, em-

bodying` my invention; Fig. II is a sectional view of the saine.

A is the eye-cup. B is the rubber ring inserted in groove c of the cup. with hole c and valve-seat f. With stem h and button t'. spring encirclingthe stem k, and pressing against the valve atl and against the neck at m. N is the india-rubber ball attached to the neck at o.

Having thus described my invention, I de'- sire to claim- The combination, with an eye-cup, A, provided With a ring, B, neck D, and an indiarubber ball, N, of an air-relief Valve, g, arranged in the neck D, and operated by a button, t', and spring j, substantially as shown and described.

PHILETUS J. STEPHENS.

Witnesses:

FRANKLIN BAREITT, ANTON C. GnoNDAL.

D is the neck, g is the valve,

j is the spiralV 

